`Union[str, None]`에 있는 `Union`은 FastAPI에 의해 사용된 것이 아니지만, 편집기로 하여금 더 나은 지원과 에러 탐지를 지원할 것입니다.

///

## Pydantic없이

        # When running build_all(), that function already removes site_path.
        # All this is only relevant locally, on GitHub Actions all this is done through
        # artifacts and multiple workflows, so it doesn't matter if directories are
        # removed or not.
    else:
        dist_path = site_path / lang
        shutil.rmtree(dist_path, ignore_errors=True)
    current_dir = os.getcwd()

  // A non-blocking version of `Execute`. After each call, `Join` must be called
  // before `StartExecute` is called again. Using `StartExecute` with `Join`
  // allows the caller to schedule computation on multiple ParallelDevices
  // without sequencing those operations (first call `StartExecute` on each
  // parallel device, then call `Join` on each; even if some of the `Join`s

		m := fileLineRE.FindStringSubmatch(line)
		if m == nil {
			t.Errorf("unexpected error: %v", line)
			continue
		}
		fileline := m[1]
		if errors[fileline] != "" && errors[fileline] != line {
			t.Errorf("multiple errors on %s:\n\t%s\n\t%s", fileline, errors[fileline], line)
			continue
		}
		errors[fileline] = line
	}

	// Reconstruct expected errors by independently "parsing" the input.

   * sort entries by value.
   *
   * <p>Builder instances can be reused - it is safe to call {@link #buildOrThrow} multiple times to
   * build multiple maps in series. Each map is a superset of the maps created before it.
   *
   * @since 2.0
   */
  @DoNotMock
  public static class Builder<K, V> {

	fmt.Printf("Attempting to combine version %q.\n", out)
	m, err := readAndMap(files, 1, 0)
	if err != nil {
		return err
	}
	if m.blocks > 0 {
		// TODO: Support multiple blocks. For now use -xver.
		return fmt.Errorf("multiple blocks found, only one block supported. Try with -xver")
	}
	lastValid := 0
	missing := 0
	for i := range m.filled {
		if m.filled[i] == 1 {
			lastValid = i
		} else {

              ++counts;
            }
          }
        }
        if (done) {
          break;
        }
      }
    }
  }

  /**
   * Multiple threads using same array of counters successfully update a number of times equal to
   * total count
   */
  public void testCountingInMultipleThreads() throws InterruptedException {

		return "", fmt.Errorf("cannot modify tag: cannot find MutatingWebhookConfiguration with revision %q", opts.Revision)
	}
	if len(revWebhooks) > 1 {
		return "", fmt.Errorf("cannot modify tag: found multiple canonical webhooks with revision %q", opts.Revision)
	}

	whs, err := GetWebhooksWithTag(ctx, client.Kube(), opts.Tag)
	if err != nil {
		return "", err
	}
	if len(whs) > 0 && !opts.Overwrite {

### SIG Multi-cluster (formerly known as SIG Federation)

[SIG Multi-cluster][] is responsible for infrastructure that supports
the efficient and reliable management of multiple Kubernetes clusters,
and applications that run in and across multiple clusters.

For the 1.8 release, SIG Multicluster focussed on expanding the set of
Kubernetes primitives that our Cluster Federation control plane

 *       then as many exception-testing methods as there are exceptions the method can throw.
 *       Sometimes there are multiple tests per JSR166 method when the different "normal" behaviors
 *       differ significantly. And sometimes testcases cover multiple methods when they cannot be
 *       tested in isolation.
 *   <li>The documentation style for testcases is to provide as javadoc a simple sentence or two